first presidential debate this past week. the showdown was not a zinger fest exactly it did have memorable lines. >> congratulations to you, mr. president on your anniversary. i'm sure this was the most romantic place you could imagine here with me. >> at some point, i think the american people have to ask themselves is the reason that governor romney is keeping all these plans to replace. >> i have got five boys. i'm used to people saying something that's not always true but keep on repeating it and hoping i will believe it. that's not always the case. i have a friend that says you don't only pick the winners and the losers, you pick the losers. >> the last point i would make. >> your two minutes is up. >> i had 5 seconds before you interrupted me. [ laughter ] >> was this a game changer and how does it compare to memorable moments from past debates. let's bring in presidential historian nick ragone he joins us from washington. hi, nick. >> hi, alli. >> we're interested in getting your take on wednesday night's debate what y